An electron is launched at a 45 ° angle and a speed of 5.0 x 106 m/s from the positive plate of the parallel plate capacitor in the figure show below. The electron lands 4.0 cm away. a. What is the electric field strength inside the capacitor? b. What is the smallest possible spacing between the plates?

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter7: Electric Potential
Section: Chapter Questions
Problem 72P: The practical limit to all electric field in air is about 3.00106 N/C. Above this strength, sparking...
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Write-up Criteria
1. Be neat and organized.
2. Include a drawing of the charge distribution and the point at which the E-field is
being evaluated.
3. Include a sample vector diagram, showing the electric-field vectors for critical
dq's.
4. Use the diagrams to help explain any cancellations due to symmetry.
5. Set up the integrals to determine the non-zero electric-field components. Show
your work/reasoning for constructing the integrals.
6. Solve the integrals. Box or underline your final solutions.
7. Assess: is your result reasonable? Do the solutions have the correct behavior far
away from the charge?
Problem A2:
An electron is launched at a 45 ° angle and a speed of 5.0 x 106 m/s from the positive
plate of the parallel plate capacitor in the figure show below. The electron lands 4.0 cm
away.
What is the electric field strength inside the capacitor?
b. What is the smallest possible spacing between the plates?
а.
Vo
45°
+ +++++++++++
4.0 cm
Transcribed Image Text:Write-up Criteria 1. Be neat and organized. 2. Include a drawing of the charge distribution and the point at which the E-field is being evaluated. 3. Include a sample vector diagram, showing the electric-field vectors for critical dq's. 4. Use the diagrams to help explain any cancellations due to symmetry. 5. Set up the integrals to determine the non-zero electric-field components. Show your work/reasoning for constructing the integrals. 6. Solve the integrals. Box or underline your final solutions. 7. Assess: is your result reasonable? Do the solutions have the correct behavior far away from the charge? Problem A2: An electron is launched at a 45 ° angle and a speed of 5.0 x 106 m/s from the positive plate of the parallel plate capacitor in the figure show below. The electron lands 4.0 cm away. What is the electric field strength inside the capacitor? b. What is the smallest possible spacing between the plates? а. Vo 45° + +++++++++++ 4.0 cm
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